Euhesma undeneya, or Euhesma (Euhesma) undeneya, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 2002 by Australian entomologist Elizabeth Exley.
Etymology The specific epithet undeneya is an Aboriginal word for 'wasp', referring to a perceived likeness.
Description The body length of the female is 10 mm, wing length 6 mm. Colouration is mainly black and yellow.
Distribution and habitat The species occurs in Western Australia. The type locality is Eneabba, in the Wheatbelt region.
Behaviour The adults are flying mellivores. Flowering plants visited by the bees include Verticordia species.
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